This CL makes ExifInterface store the tag values as the original forms and the format validiation is added that compares the given value and the data format specificed in EXIF specification in order to keep the valid tag values only. Bug: 27583378, Bug: 27614052, Bug: 28075709 Change-Id: If60bbddefe74c4b87b4ce64b5fc79e467e36a5b9